2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 172Get this manual
POWERHEAD ASSEMBLYHP Apply Gasket Sealing Compound to filter housing screwsInstall housing on pump cover and torque screws to 84 to 106 inIbs(10 to 12 Nm)Install exhaust deflector and water tube in position and secure with screws and lock washersTorque to 36 to 60 inIbs(6 to Nm)
Filter housing screws
Apply Gasket Sealing Compound to new oil pump gasket and to oil pump to powerhead screwsInstall pump and torque screws to 84 to 106 inIbs(10 to 12 Nm)